Olympia Fields is a station on Metra's Metra Electric Line located in Olympia Fields, Illinois. The station is located on 203rd Street two blocks east of Kedzie Avenue and is adjacent to the Olympia Fields Country Club. Olympia Fields is 26.6 miles (42.8 km) from Millennium Station, the northern terminus of the Metra Electric Line. In Metra's zone-based fare system, Olympia Fields is located in zone 3. As of 2018, Olympia Fields is the 77th busiest of Metra's 236 non-downtown stations, with an average of 679 weekday boardings.

The station is on a solid-fill elevated structure and consists of one island platform which serves the Metra Electric Line's two tracks. The right-of-way also carries three Amtrak lines, the City of New Orleans, Illini and Saluki. None of the Amtrak trains stop here. Although the tracks are on an elevated fill, it is only high enough for a pedestrian underpass to the Olympia Fields Country Club. 203rd Street is a dead end street at the station. There is no ticket agent at Olympia Fields, but tickets may be purchased from a vending machine in the waiting room.